Home / 48,129.16-66,416.88-26,910.40

Finding the Fourth Proportional to 48,129.16, 66,416.88 and 26,910.40

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Solution

The fourth proportional to 48,129.16, 66,416.88 and 26,910.40 is: 37,135.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,129.16 : 66,416.88 = 26,910.40 : x
  2. Step 2: Convert to fraction form
    48,129.16/66,416.88 = 26,910.40/x
  3. Step 3: Cross multiply
    48,129.16x = 66,416.88 × 26,910.40
  4. Step 4: Simplify right side
    48,129.16x = 1,787,304,807.55
  5. Step 5: Solve for x
    x = 1,787,304,807.55/48,129.16
  6. Step 6: Final answer
    x = 37,135.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.